Quote:
Originally Posted by XLsior
what is the case opening diameter or cylinder skirt outside diameter?
Finding a bigger piston with a 15mm pin isn;t to big an issue aliexpress usually has those options if you look...
The big issue is whether or not a bigger jug will actually fit in a CG125 case.
TBH it would be better to just find a CG250 complete engine and do a total swap rather than trying to modify a smaller displacement engine.
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The country, in which I drive, finding a proper cg250 engine is nearly impossible. And you wont be able to pass inspection if you do. While giving it more engine displacement isn’t a problem.
Didn’t disassemble it before but 65.5mm fits without any modifications, so 67mm would fit, even if some little modifications are required. Making it fit isn’t the problem I believe.